CN216867165U - Auxiliary hydraulic system, mobile equipment and complete equipment of crane - Google Patents
Auxiliary hydraulic system, mobile equipment and complete equipment of crane Download PDFInfo
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- CN216867165U CN216867165U CN202220006214.XU CN202220006214U CN216867165U CN 216867165 U CN216867165 U CN 216867165U CN 202220006214 U CN202220006214 U CN 202220006214U CN 216867165 U CN216867165 U CN 216867165U
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Abstract
The utility model relates to the technical field of mobile pump stations, and provides an auxiliary hydraulic system, mobile equipment and complete equipment of a crane. The auxiliary hydraulic system described above includes: the hydraulic oil way is detachably connected with a main engine oil box of the operation machine; the filter comprises a first filter and a driving assembly, wherein the first filter and the driving assembly are arranged on the hydraulic oil circuit, and the driving assembly is used for driving hydraulic oil to flow. According to the auxiliary hydraulic system provided by the utility model, when the mobile equipment with the auxiliary hydraulic system is connected with the main engine oil tank of the operating machine, hydraulic oil in the main engine oil tank circulates between the mobile equipment and the main engine oil tank, and the hydraulic oil is filtered by arranging the first filter in the mobile equipment, so that the cleanliness of the hydraulic oil in the main engine oil tank is improved, and the normal operation of the crane hydraulic system is ensured.
Description
Technical Field
The utility model relates to the technical field of mobile pump stations, in particular to an auxiliary hydraulic system, mobile equipment and complete equipment of a crane.
Background
The auxiliary servo oil circuit of the large-tonnage crawler crane mainly depends on a filter of a main machine and a filter of an oil tank to filter hydraulic oil, the filtering effect is gradually reduced along with the increase of the filtering times, impurities in the hydraulic oil of the main machine are increased, and then the normal operation of a hydraulic system of the crane can be damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides an auxiliary hydraulic system, mobile equipment and complete equipment of a crane, which are used for solving the defect that hydraulic oil in an oil tank of the crane in the prior art can only be filtered through a filtering mechanism of a hydraulic system of the crane.
The utility model provides an auxiliary hydraulic system, which comprises a hydraulic oil way, wherein the hydraulic oil way is detachably connected with a main engine oil tank of an operating machine; the filter comprises a first filter and a driving assembly, wherein the first filter and the driving assembly are arranged on the hydraulic oil path, and the driving assembly is used for driving hydraulic oil to flow.
According to the auxiliary hydraulic system provided by the utility model, the first filter is provided with a cleanliness detection mechanism, and the cleanliness detection mechanism is used for detecting the cleanliness of hydraulic oil.
According to the auxiliary hydraulic system provided by the utility model, the first filter is further provided with a display screen, and the display screen is used for displaying the cleanliness.
According to the auxiliary hydraulic system provided by the utility model, a control valve is further arranged on the hydraulic oil path and used for controlling the communication or the cut-off of the main engine oil tank and the hydraulic oil path.
According to an auxiliary hydraulic system provided by the present invention, the drive assembly comprises: the pump is arranged on the hydraulic oil way, and two ends of the pump are respectively connected with the first filter and the control valve; a power source mechanically coupled coaxially with the pump.
According to the auxiliary hydraulic system provided by the utility model, a second filter is further arranged on the hydraulic oil path, and two ends of the second filter are respectively connected with the pump and the control valve.
According to the auxiliary hydraulic system provided by the utility model, the control valve is a reversing valve, a first oil port and a second oil port of the reversing valve are respectively connected with the quick connector, a third oil port of the reversing valve is connected with the second filter, and a fourth oil port of the reversing valve is connected with the first filter.
According to the auxiliary hydraulic system provided by the utility model, the hydraulic oil path is also provided with an overflow valve.
The utility model also provides mobile equipment which comprises the auxiliary hydraulic system, wherein the auxiliary hydraulic system is detachably connected with the main oil tank of the working machine through a quick-connection joint.
The utility model also provides a crane complete equipment, which comprises a crane and the mobile equipment, wherein the crane is connected with the mobile equipment.
According to the auxiliary hydraulic system provided by the utility model, when the mobile equipment with the auxiliary hydraulic system is connected with the main engine oil tank of the operating machine, the mobile equipment works to enable hydraulic oil in the main engine oil tank to circulate between the mobile equipment and the main engine oil tank, and the first filter is arranged in the mobile equipment to filter the hydraulic oil, so that the cleanliness of the hydraulic oil in the main engine oil tank is improved, the normal operation of a crane hydraulic system is ensured, and meanwhile, the functionality of the mobile equipment is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is one of the hydraulic schematic diagrams of an auxiliary hydraulic system provided by the present invention;
FIG. 2 is a second hydraulic schematic of the auxiliary hydraulic system provided by the present invention;
reference numerals:
10: a hydraulic oil circuit; 20: a quick-connect joint; 30: a first filter; 41: a power source; 42: a pump; 50: a diverter valve; 60: a second filter; 70: an overflow valve; 80: an oil tank; 100: a mobile device; 200: a main engine oil tank; 300: and a pin shaft oil cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the utility model may explicitly or implicitly comprise one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The auxiliary hydraulic system, the moving device and the crane plant according to the utility model are described below with reference to fig. 1 and 2.
In one embodiment of the present invention, as shown in fig. 1, an auxiliary hydraulic system includes: hydraulic circuit 10, first filter 30 and drive assembly. The hydraulic fluid passage 10 is detachably connected to a main tank 200 of the work machine so that the hydraulic fluid passage 10 and the main tank 200 form a circulation circuit. The first filter 30 is provided on the hydraulic oil passage 10 for filtering hydraulic oil in the main tank 200. The driving assembly is disposed on the hydraulic oil path 10 for driving the hydraulic oil to flow.
Specifically, in one embodiment of the present invention, the work machine is a crane. In the auxiliary assembly process of the large-tonnage crawler crane, the mobile equipment 100 is mainly used for being connected with a pin shaft oil cylinder 300 of the crane to plug and pull a pin shaft. Specifically, the hydraulic oil path 10 of the mobile device 100 is provided with a quick connector 20, and the quick connector 20 may be connected to a pin cylinder 300 of the crane for inserting and extracting a pin, or may be connected to a main engine oil tank 200 of the crane for filtering hydraulic oil in the main engine oil tank 200. When the main tank 200 is connected to the hydraulic oil passage 10, the main tank 200 and the hydraulic oil passage 10 form a circulation circuit. The circulation loop is provided with a first filter 30 and a driving assembly, and under the action of the driving assembly, the hydraulic oil in the main engine oil tank 200 is filtered by the first filter 30, so that the cleanliness of the hydraulic oil in the main engine oil tank 200 is improved.
Further, a control valve may be provided at the oil outlet of the main tank 200 or on the hydraulic oil passage 10, and when the control valve is not closed, the hydraulic oil may be filtered through the first filter 30 a plurality of times to improve the cleanliness of the hydraulic oil. When the cleanliness of the hydraulic oil reaches the preset cleanliness, the control valve can be closed.
Further, in one embodiment of the present invention, the driving assembly includes a power source 41 and a pump 42, and the power source 41 rotates to drive the pump 42 to operate, so as to drive the hydraulic oil to circulate. Alternatively, the power source 41 may be an engine or a motor, and in the embodiment of the present invention, the power source 41 is an engine.
According to the auxiliary hydraulic system provided by the utility model, when the mobile equipment with the auxiliary hydraulic system is connected with the main engine oil tank of the operating machine, the mobile equipment works to enable hydraulic oil in the main engine oil tank to circulate between the mobile equipment and the main engine oil tank, and the first filter is arranged in the mobile equipment to filter the hydraulic oil, so that the cleanliness of the hydraulic oil in the main engine oil tank is improved, the normal operation of a crane hydraulic system is ensured, and meanwhile, the functionality of the mobile equipment is enhanced.
Further, in an embodiment of the present invention, the first filter 30 is provided with a cleanliness detection mechanism for detecting cleanliness of the hydraulic oil.
Further, in an embodiment of the present invention, the mobile device 100 further includes a controller, the controller is connected in communication with the cleanliness detection mechanism, and the controller is electrically connected to the motor of the mobile device 100.
Specifically, under the action of the driving assembly, the hydraulic oil in the main engine oil tank 200 flows along the circulation loop, and is filtered by the first filter 30 for multiple times, and when the cleanliness detection mechanism arranged in the first filter 30 detects that the cleanliness of the hydraulic oil reaches the preset cleanliness, the cleanliness detection mechanism sends a signal to the controller, and the controller controls the engine of the mobile device to shut down.
Optionally, in another embodiment of the present invention, a control valve is disposed on the hydraulic oil path 10, the controller is electrically connected to the control valve, when the cleanliness detecting mechanism disposed in the first filter 30 detects that the cleanliness of the hydraulic oil reaches a preset cleanliness, the cleanliness detecting mechanism sends a signal to the controller, and the controller controls the control valve to close, so that the hydraulic oil stops filtering.
Optionally, in another embodiment of the present invention, a display screen is provided on the first filter 30 for displaying the cleanliness of the hydraulic oil detected by the cleanliness detection mechanism. When the cleanliness of the hydraulic oil displayed on the display screen reaches the preset cleanliness, the control valve can be manually closed, and at the moment, the control valve can be arranged on the hydraulic oil circuit 10 and also can be arranged at an oil outlet of the main engine oil tank 200.
Further, in the above-described embodiment, the preset cleanliness of the hydraulic oil is NAS8 level.
As shown in fig. 1, in one embodiment of the present invention, a drive assembly includes: a power source 41 and a pump 42. The power source 41 is mechanically connected coaxially with the pump 42, and the power source 41 is used for driving the pump 42 to rotate. The pump 42 is provided on the hydraulic oil passage 10, and both ends of the pump 42 are connected to the first filter 30 and the control valve, respectively.
Specifically, in the present embodiment, after the quick connector 20 of the mobile device 100 is connected to the main engine oil tank 200, the power source 41 is started, the power source 41 drives the pump 42 to operate, the pump 42 sucks oil, hydraulic oil in the main engine oil tank 200 enters the main engine oil tank 200 from an oil outlet of the main engine oil tank 200 through the first filter 30 and the pump 42 from an oil inlet of the main engine oil tank 200, so as to implement first filtering of hydraulic oil bypassing outside the body, and after multiple cycles of filtering, the cleanliness of the hydraulic oil reaches NAS8 level.
As shown in fig. 1, in an embodiment of the present invention, the hydraulic system of the mobile device 100 further includes a second filter 60, the second filter 60 is disposed on the hydraulic circuit 10, and both ends of the second filter 60 are connected to the pump 42 and the control valve, respectively.
Specifically, the hydraulic oil path 10 is further provided with a second filter 60, and the hydraulic oil passing through the first filter 30 enters the second filter 60 to implement secondary filtration of bypass outside the body, so as to further improve the cleanliness of the hydraulic oil.
In one embodiment of the utility model, as shown in FIG. 1, the control valve is a diverter valve 50. The reversing valve 50 is a three-position four-way reversing valve, a first oil port of the reversing valve 50 is connected with an oil outlet of the main engine oil tank 200 through a quick connector 20, a second oil port of the reversing valve 50 is connected with an oil inlet of the main engine oil tank 200 through another quick connector 20, a third oil port of the reversing valve 50 is connected with a second filter 60, and a fourth oil port of the reversing valve 50 is connected with a first filter 30.
Specifically, when the mobile device 100 is connected to the main tank 200, the operation position of the selector valve 50 is switched so that the selector valve 50 is positioned at the left operation position or the right operation position, and the main tank 200 is communicated with the hydraulic oil passage 10, thereby filtering the hydraulic oil. Specifically, when the directional control valve 50 is located at the left working position, the hydraulic oil in the main oil tank 200 enters the first filter 30 from the oil outlet of the main oil tank 200 through the first oil port and the third oil port of the directional control valve 50, and then enters the main oil tank 200 through the pump 42, the second filter 60, and the fourth oil port and the second oil port of the directional control valve 50, so as to filter the hydraulic oil.
When the directional valve 50 is located at the right working position, hydraulic oil in the main oil tank 200 enters the second filter 60 from the oil outlet of the main oil tank 200 through the first oil port and the fourth oil port of the directional valve 50, then enters the first filter 30 through the pump 42, and finally enters the main oil tank 200 through the third oil port and the second oil port of the directional valve 50, so that the hydraulic oil is filtered.
As shown in fig. 2, when the mobile device 100 is connected to the pin cylinder 300 of the crane, the two quick connectors 20 are respectively connected to the rod chamber and the rodless chamber of the pin cylinder 300, and the reversing valve 50 is used to control the extension, holding, and retraction of the hydraulic rod of the pin cylinder 300 when the operating position is switched. In this process, the first filter 30 is not opened, and the hydraulic oil is not filtered while passing through the first filter 30. In the process, the second filter 60 is in a normally open state, and the second filter 60 is used for filtering the hydraulic oil in the pin cylinder 300.
Specifically, in this embodiment, the hydraulic system of the mobile device 100 further includes a tank 80, and the tank 80 is connected to the pump 42 and the second filter 60. When the directional control valve 50 is located at the left working position, the hydraulic oil in the oil tank 80 enters the rodless cavity of the pin cylinder 300 through the third oil port and the first oil port of the first filter 30 and the directional control valve 50 under the action of the pump 42, the hydraulic rod extends out, the hydraulic oil in the rod cavity enters the second filter 60 through the second oil port and the fourth oil port of the directional control valve 50 for filtering, and the filtered hydraulic oil flows back to the oil tank 80. When the directional valve 50 is in the intermediate operating position, the hydraulic lever remains in the present condition. When the directional valve 50 is in the right working position, the hydraulic oil in the oil tank 80 enters the rod cavity of the pin cylinder 300 through the third oil port and the second oil port of the first filter 30 and the directional valve 50 under the action of the pump 42, the hydraulic rod contracts, the hydraulic oil in the rodless cavity enters the second filter 60 through the first oil port and the fourth oil port of the directional valve 50 for filtering, and the filtered hydraulic oil flows back into the oil tank 80.
Further, in an embodiment of the present invention, a relief valve 70 is further disposed on the hydraulic oil path 10, and the relief valve 70 is configured to provide a stable pressure to the hydraulic oil path 10.
The embodiment of the utility model also provides a mobile device 100, wherein the mobile device 100 comprises an auxiliary hydraulic system, and the auxiliary hydraulic system is detachably connected with a main engine oil tank 200 of the working machine through a quick-connection joint 20.
The following takes the embodiment shown in fig. 1 as an example to describe in detail the operation principle of the mobile device 100 provided by the present invention.
When the mobile device 100 is not connected to the pin cylinder 300, the mobile device 100 is connected to the main unit oil tank 200 through the quick-connect coupling 20. The engine of the mobile device 100 is started and the operation position of the directional control valve 50 is switched to the left operation position or the right operation position. The power source 41, the first filter 30 and the second filter 60 are started, the power source 41 drives the pump 42 to operate, the pump 42 absorbs oil, hydraulic oil in the main engine oil tank 200 flows out of an oil outlet of the main engine oil tank 200, the hydraulic oil enters the main engine oil tank 200 after being filtered by the first filter 30 and the second filter 60, the operation is repeated for multiple times until the cleanliness detection mechanism in the first filter 30 detects that the cleanliness of the hydraulic oil reaches NAS8 level, the cleanliness detection mechanism sends a signal to the controller, and the controller controls the engine to shut down, so that multiple times of filtering of external bypassing of the hydraulic oil are realized.
The mobile equipment provided by the utility model can be connected with a pin shaft oil cylinder of a crane to assist the crane in assembling, and can also be connected with a main engine oil tank of the crane to filter hydraulic oil in the main engine of the crane, so that the functionality of the mobile equipment is enhanced.
The embodiment of the utility model also provides a complete set of equipment of the crane, which comprises the crane and the mobile equipment 100, wherein the crane is connected with the mobile equipment 100 through the quick-connection joint 20.
According to the complete equipment of the crane, when the crane is assembled in an auxiliary mode, the mobile equipment is connected with the pin shaft oil cylinder of the crane and used for plugging and unplugging a pin shaft; when the mobile equipment is connected with the main engine oil tank of the crane, the hydraulic oil in the main engine oil tank can be filtered for multiple times, so that the cleanliness of the hydraulic oil in the main engine oil tank is improved, and the normal operation of a crane hydraulic system is guaranteed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An auxiliary hydraulic system, comprising:
the hydraulic oil way is detachably connected with a main engine oil box of the operation machine;
the filter comprises a first filter and a driving assembly, wherein the first filter and the driving assembly are arranged on the hydraulic oil path, and the driving assembly is used for driving hydraulic oil to flow.
2. The auxiliary hydraulic system according to claim 1, characterized in that a cleanliness detection mechanism is provided on the first filter for detecting cleanliness of hydraulic oil.
3. The auxiliary hydraulic system of claim 2, wherein a display screen is further provided on the first filter for displaying the cleanliness.
4. The auxiliary hydraulic system according to claim 1, wherein a control valve is further provided on the hydraulic oil path, and the control valve is configured to control communication or shut-off of the main engine oil tank and the hydraulic oil path.
5. The auxiliary hydraulic system of claim 4, wherein the drive assembly comprises:
the pump is arranged on the hydraulic oil way, and two ends of the pump are respectively connected with the first filter and the control valve;
a power source mechanically coupled coaxially with the pump.
6. The auxiliary hydraulic system as claimed in claim 5, wherein a second filter is further disposed on the hydraulic circuit, and both ends of the second filter are respectively connected to the pump and the control valve.
7. The auxiliary hydraulic system of claim 6, wherein the control valve is a directional valve, a first oil port and a second oil port of the directional valve are respectively connected with a quick connector, a third oil port of the directional valve is connected with the second filter, and a fourth oil port of the directional valve is connected with the first filter.
8. The auxiliary hydraulic system as claimed in claim 1, wherein a relief valve is further provided on the hydraulic circuit.
9. Mobile equipment, characterized in that it comprises an auxiliary hydraulic system according to any one of claims 1-8, which is detachably connected to the main tank of the working machine by means of a quick-connect joint.
10. A crane assembly comprising a crane and a mobile unit as claimed in claim 9, said crane being connected to said mobile unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006214.XU CN216867165U (en) | 2022-01-04 | 2022-01-04 | Auxiliary hydraulic system, mobile equipment and complete equipment of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006214.XU CN216867165U (en) | 2022-01-04 | 2022-01-04 | Auxiliary hydraulic system, mobile equipment and complete equipment of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867165U true CN216867165U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220006214.XU Active CN216867165U (en) | 2022-01-04 | 2022-01-04 | Auxiliary hydraulic system, mobile equipment and complete equipment of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867165U (en) |
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2022
- 2022-01-04 CN CN202220006214.XU patent/CN216867165U/en active Active
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